Pregled bibliografske jedinice broj: 1092741
Decomposition and Aromatization of Ethanol on ZSM- Based Catalysts
Decomposition and Aromatization of Ethanol on ZSM- Based Catalysts // The Journal of Physical Chemistry B, 110 (2006), 43; 21816-21825 doi:10.1021/jp063522v (međunarodna recenzija, članak, znanstveni)
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Naslov
Decomposition and Aromatization of Ethanol on ZSM-
Based Catalysts
Autori
Barthos, R. ; Széchenyi, A. ; Solymosi, F.
Izvornik
The Journal of Physical Chemistry B (1520-6106) 110
(2006), 43;
21816-21825
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
Catalysts, Hydrocarbons, Aromatic compounds, Selectivity, Ethanol
Sažetak
The adsorption, desorption, and reactions of ethanol have been investigated on pure and promoted ZSM-5 catalysts. FTIR spectroscopy indicated the formation of a strongly bonded ethoxy species on ZSM-5(80) at 300 K. TPD experiments following the adsorption of ethanol on both ZSM-5 and Mo2C/ZSM-5 have shown desorption profiles corresponding to unreacted ethanol and decomposition products (H2O, H2, CH3CHO, C4H10O, and C2H4). The main reaction pathway of ethanol on pure ZSM-5 is the dehydration reaction yielding ethylene, small amounts of hydrocarbons, and aromatics. Deposition of different additives, such as Mo2C, ZnO, and Ga2O3 on zeolite, greatly promoted the formation of benzene and toluene at 773−973 K, very likely by catalyzing the aromatization of ethylene formed in the dehydration process of ethanol. Separate studies of the reaction of ethylene revealed that the previous additives markedly enhanced the selectivity and the yield of aromatics on ZSM-5.
Izvorni jezik
Engleski
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
- MEDLINE
